Product image of Hepa-Merz (Ornithine Aspartate) supplied by GNH India

Hepa-Merz

Active Ingredient:
Ornithine Aspartate
Origin:
EU

Hepa-Merz (Ornithine Aspartate)

Hepa-Merz is an over‑the‑counter oral product whose sole active ingredient is ornithine aspartate. Marketed in the European Union, it is supplied as an oral formulation containing ornithine‑aspartate, a compound that participates in the urea cycle. The product is intended for general use without a prescription and is classified under ATC code A05BA02, supporting hepatic metabolic processes. It is commonly used as a dietary supplement to help maintain normal liver function.

Manufacturer / TM Owner

Merz Pharma Austria Gmbh

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Indications & Clinical Uses

Ornithine aspartate is employed primarily to support liver metabolism and the body's ability to process ammonia.

  • Supports normal hepatic function
  • May aid in maintaining healthy ammonia levels
  • Used as a nutritional supplement for individuals with liver stress
  • Often included in regimens aimed at supporting detoxification pathways
  • Can be part of general wellness programs focusing on liver health

Side Effects

Ornithine aspartate is generally well tolerated, but as with any oral supplement, users may experience a range of effects.

Common

  • Mild gastrointestinal discomfort
  • Nausea
  • Headache
  • Transient dizziness

Serious

  • Allergic skin reaction
  • Severe rash
  • Swelling of face or throat
  • Difficulty breathing

Precautions & Warnings

When considering Hepa-Merz, certain precautions should be observed to ensure safe use.

  • Do not exceed the recommended daily amount indicated on the packaging.
  • Consult a healthcare professional before use if you have known liver disease.
  • Pregnant or breastfeeding individuals should seek medical advice prior to use.
  • Individuals with known hypersensitivity to ornithine or aspartate should avoid the product.
  • Monitor for any unexpected symptoms and discontinue use if they occur.
  • Keep out of reach of children.

Avoid Interactions

Ornithine aspartate may interact with other substances; awareness of potential interactions helps minimize risk.

Avoid

  • Concurrent use with high‑dose ammonia‑lowering medications without medical supervision.
  • Combination with other liver‑support supplements containing similar active ingredients, which may lead to excess dosing.
  • Use with known allergens that could trigger cross‑reaction.

Use with caution

  • Alcohol consumption, as it can increase liver workload.
  • Medications metabolized by the liver, such as certain antiepileptics or statins.
  • Herbal products that affect ammonia metabolism, like lactulose.

Frequently Asked Questions

The active ingredient in Hepa-Merz is ornithine aspartate.

Ornithine aspartate serves as a substrate for the urea cycle, helping to detoxify ammonia and support normal hepatic metabolic activity.

Yes, Hepa-Merz is marketed as an over‑the‑counter (OTC) product in the European Union.

Hepa-Merz is supplied as an oral formulation intended for ingestion.

Pregnant or breastfeeding individuals should consult a healthcare professional before using Hepa-Merz.

Common side effects may include mild gastrointestinal discomfort, nausea, headache, and transient dizziness.

Serious reactions such as allergic skin rash, swelling of the face or throat, or difficulty breathing should prompt immediate discontinuation and medical attention.

Alcohol can increase liver workload, so it is advisable to use Hepa-Merz with caution if you consume alcohol.

Potential interactions include high‑dose ammonia‑lowering medications, other liver‑support supplements with similar ingredients, and substances that affect liver metabolism.

Store Hepa-Merz in a dry place, below 30 °C, and keep it out of reach of children.

Combining with other liver‑support supplements should be done with caution to avoid excessive dosing of similar ingredients.

The ATC code for ornithine aspartate is A05BA02.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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